Getting calcurse

Source

The latest calcurse release is 4.4.0.

You can download the source by clicking the links below. The source version
must be compiled and has been successfully tested on Arch Linux, Debian and
OpenBSD, but should work on any kind of UNIX. Binary packages are provided
further down, and if you have created one on your own, I will add it here.
You can rate calcurse on the project's page at
Freecode.

Debian:
http://packages.debian.org/search?keywords=calcurse
calcurse is part of the official Debian distribution, and you can find
packages in testing and unstable distribution for many different
architectures:alpha, amd64, arm, hppa, hurd-i386, i386, ia64, kfreebsd-i386, m68k,
mips, mipsel, powerpc, s390, sparc.